The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 30, 1979
Filed:
Jan. 16, 1978
Applicant:
Inventors:
Ludovic Rodriguez, Brussels, BE;
Jacques Leclerca, Braine L'Alleud, BE;
Pierre Ykman, Brussels, BE;
Eric Cossement, Brussels, BE;
Assignee:
U C B, Societe Anonyme, Brussels, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2603 / ; 2602391 ; 424271 ;
Abstract
Amino-spiro[oxa(or thia)cycloalkane-penam]-carboxylic acid, a salt or an ester thereof, of the formula ##STR1## wherein Z is a hydrogen or an alkali metal atom, or a group protecting the carboxylic function, X is a sulfur or oxygen atom, n is 1 or 2, m is 1 or 2, and process of preparing the same. These compounds are useful as intermediates in the synthesis of a new group of antibiotics having properties similar to penicillins, besides own antibiotic activity with a broad antibacterial spectrum.